{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943836,-0.330415,0.000000,0.000000,0.184464,-0.526926,0.829651,0.000000,-0.273553,0.781410,0.560863,0.000000,-1746599.127306,4989193.594007,3557063.050732,1],    "boundingVolume": {    "region": [1.907491,0.595371,1.907587,0.595486,0.000000,8.401213]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1275363.b3dm"}}}